Quickest Celebrity Engagements Ever

January 5, 2015

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Todd Williamson/Invision for Academy of Television Arts & Sciences/AP Images3/13

3 Months

That was fast! The Big Bang Theory star got engaged to her tennis pro boyfriend in September 2013 after just three months of dating. "It's only been three months but she knows Ryan is the one," a source close to the actress exclusively revealed to Us Weekly at the time. "When you know, you know."